The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 2026
Filed:
Jul. 20, 2022
Electronics and Telecommunications Research Institute, Daejeon, KR;
Jung Ick Moon, Daejeon, KR;
Gwangzeen Ko, Daejeon, KR;
Sang-Won Kim, Daejeon, KR;
Seong-Min Kim, Daejeon, KR;
Je Hoon Yun, Daejeon, KR;
In Kui Cho, Daejeon, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
Provided is a low-loss planar spiral coil which may include a conductive wire wound N turns, and a conductive wire corresponding to each number of turns may be formed in a way that an inner surface, close to a center of the spiral coil, and an outer surface, located on an opposite side of the inner surface, have different heights from each other based on a flat lower surface, and may be formed in way that a vertical cross-section of an upper surface connecting an uppermost end of the inner and outer surfaces has a constant height variation.